How to set the default stock for Printer Driver in OfficeMail

OfficeMail has no configuration to set the default stock for OfficeMail Printer Driver.

The Printer Driver will use the last submitted stock.

This can be overridden by configuring the Settings Groups on Admin Website.
This “last used” stock applies to both private Ad-Hoc attachment and actual document/mailpiece.
Environment Details

UPDATED:  June 27, 2017